#include <stdio.h>
#include <stdlib.h>
#include <termios.h>

int main(){
	struct termios info;
	int rv;

	rv=tcgetattr(0,&info);

	if(rv==-1){
		perror("tcgetattr");
		exit(1);
	}
	if(info.c_lflag&ECHO)	
		printf("echo is on,since its bit is 1\n");
	else
		printf("echo is OFF, since its bit is 0\n");
	return 0;
}
